#!/usr/bin/awk -f

BEGIN {
	while (!/flags/) {
		if (getline < "/proc/cpuinfo" !=1) {
			exit 1
			}
		}

	if (/cmov/&&/cx8/&&/fpu/&&/fxsr/&&/mmx/&&/syscall/&&/sse2/) {
		level = 1
	}

	if (level == 1 && /cx16/&&/lahf/&&/popcnt/&&/sse4_1/&&/sse4_2/&&/ssse3/) {
		level = 2
	}
		
	if (level == 2 && /avx/&&/avx2/&&/bmi1/&&/bmi2/&&/f16c/&&/fma/&&/abm/&&/movbe/&&/xsave/) {
		level = 3
	}

	if (level == 3 && /avx512f/&&/avx512bw/&&/avx512cd/&&/avx512dq/&&/avx512vl/) {
		level = 4
	}

	if (level > 0) {
		{ print "CPU supports x86-64-v" level; exit level + 1 }
	}
		
	exit 1

}


